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How United States ranks worldwide on dormant space, the transfer market, routing security and address density.
PeeringDB-registered presence.
APNIC-measured end-user deployment.
Clean prefixes (valid RPKI + IRR, no mismatch).
Cumulative IPv4, IPv6, and ASN allocations to United States over time.
The largest autonomous systems registered to United States by IPv4 footprint.
| AS | Holder | IPv4 | Prefixes |
|---|---|---|---|
| AS749US | DNIC-AS-00749 - United States Department of Defense (DoD) | 227.7M | 3,138 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 211.2M | 21,268 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 113.7M | 639 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,248 |
| AS721US | DNIC-ASBLK-00721-00726 - United States Department of Defense (DoD) |
United States against its land-border neighbours on IPv4, IPv6, AS numbers and per-capita density.
Share of announced address space covered by valid Route Origin Authorizations.
31,994 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 229 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 413 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 49.3M | 3,721 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.7M | 1,955 |
| AS701US | UUNET - Verizon Business | 43.6M | 1,000 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,300 |
| — |
| — |
| 0 |
| AS46272US | GRIDPOINT - GridPoint, Inc. | — | — | 0 |
| AS46302US | CRYSTALGEYSER - Crystal Geyser Water Company | — | — | 0 |
| AS46495US | UHAUL-INC-2 - UHAUL INTERNATIONAL, INC. | — | — | 0 |
| AS46750US | STANFORD-INTERNET-ACCESS2 - Stanford University | — | — | 0 |
| AS46768US | INDATA-CORPORATION - inData Corporation | — | — | 0 |
| AS46923US | PROFICIO - Proficio Inc | — | — | 0 |
| AS46937US | NN-DUKE - Northern Neck Wireless Internet Services LLC | — | — | 0 |
| AS46967US | IPFBASN - IPFB LLC | — | — | 0 |
| AS47014US | UKPC-V1 - The Northern Trust Company | — | — | 0 |
| AS47088US | DF-AS - Digital Fortress, Inc. | — | — | 0 |
| AS53303US | SERVICENOW-ATG - SERVICENOW, INC. | — | — | 0 |
| AS53308US | RISE-TX-TWLT-AS53308 - JAB Wireless, INC. | — | — | 0 |
| AS53400US | DBRIN - GTT Americas, LLC | — | — | 0 |
| AS53453US | IOL-ASN - Ironsides Operations, LLC | — | — | 0 |
| AS53518US | ISC-F-SJU1 - Internet Systems Consortium, Inc. | — | — | 0 |
| AS53612US | EMM-ASN - EMM Consulting, LLC | — | — | 0 |
| AS53685US | LFR1 - LONG AND FOSTER REALTY | — | — | 0 |
| AS53702US | GROUPON-CHI - Groupon, Inc. | — | — | 0 |
| AS53728US | FAST-PC-NETWORKS-CORPORATION - Fast PC Networks Corporation | — | — | 0 |
| AS53968US | PVA-MN - Paralyzed Veterans of America | — | — | 0 |
| AS54031US | BV-BROWNRICE-IPS - BannerView.com | — | — | 0 |
| AS54105US | SSM-NET - Second Street | — | — | 0 |
| AS54147US | ULTIMATEMEDICALACADEMY-AS - UMA Education, Inc. | — | — | 0 |
| AS54162US | AURORA-ASN - Aurora University | — | — | 0 |
| AS54234US | MISSION - Mississippi Institutions of Higher Learning | — | — | 0 |
| AS54258US | CORPORATE - BMC Group Inc. | — | — | 0 |
| AS54276US | AUNALYTICSAS2 - Aunalytics, Inc | — | — | 0 |
| AS54400US | AS-GCHQ01 - General Conference of Seventh-day Adventists | — | — | 0 |
| AS54462US | SAP-DC - Callidus Software Inc. | — | — | 0 |
| AS54484US | GC-IPBACKHAUL-LA - A+ Wireless, Inc. | — | — | 0 |
| AS54543US | EPICUP-COM - EpicUp Holdings Inc | — | — | 0 |
| AS54585US | LVDC - Apollo Education Group, Inc. | — | — | 0 |
| AS54610US | EASTERN-MAINE-HEALTHCARE-SYSTEMS-MERCY-HOSPITAL - Eastern Maine Healthcare Systems | — | — | 0 |
| AS54773US | SYSTEMSCHIEF-HOU-01 - Systems Chief LLC | — | — | 0 |
| AS54814US | FAMILY-VIEW - FamilyView Cablevision | — | — | 0 |
| AS54843US | INFOTECH - INFO TECH, INC. | — | — | 0 |
| AS55093US | ACSMI - Advance Central Services Michigan | — | — | 0 |
| AS55125US | EGNYTE - Egnyte Inc. | — | — | 0 |
| AS55246US | EASTERN-OREGON-TELECOMM-LLC - EASTERN OREGON TELECOM | — | — | 0 |
| AS55255US | IPGPHOTONICS - IPG Photonics Corporation | — | — | 0 |
| AS55272US | AKBNET - NameCrane LLC | — | — | 0 |
| AS58342US | MISAKA-IT-AS Misaka Network, Inc. | — | — | 0 |
| AS59799US | CUMULUS-ACE CUMULUS ACE SOLUTIONS LLC | — | — | 0 |
| AS59802US | AS-DNS2 Hostonce LLC | — | — | 0 |
| AS61165US | MOUNTIELA Mountiela Services LLC | — | — | 0 |
| AS62465US | YARDI - YARDI SYSTEMS, INC | — | — | 0 |